package cn.edu.java.collection;

import java.util.*;

public class Test {

    public static void main(String[] args) {

        LinkedHashMap<String, String> map = new LinkedHashMap<>();

        map.put("s","ss");
        map.put("s","sss");

        for (Map.Entry<String, String> entry : map.entrySet()) {
            System.out.println(entry);
        }


    }

}
